While driving the check gauge light come on and when i look what wrong the looks like it not charging when i shut off and turn it back it back up it got a new battery in why wont it stay charged jeep cherokee sport 1999 i relplace the battery and it wont hold the charge

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Related Questions:

Is the battery / charge light lit on the instrument cluster ? Did you have the charging system tested , they'll do that for free at auto parts store ! Do you have battery voltage at the bigger wire at the back of the alternator ? This wire supply's the current to charge the battery ! The smaller wire in the connector supply's voltage to turn the alternator on. Your running down your battery that's why it shuts down . It's not the key switch . If no battery voltage on the bigger wire ,check fusible link at the battery ! all so check gauges fuse in the instrument fuse block it is a 10amp fuse . Do you have the battery symbol light , light up when you turn the key on ?

You have a possible issue with the voltage regualtor inside of your alternator.You can drive to Autozone & have them test for under voltage & overvoltage condition, appears to be a voltage regulator failing.

Charging system, Replace the alernator it shorting out. In order for a alternator to work the rotor create a magnetic flux this flux is what gives the battery it charge. In order to creat this flux which is a A/C current it needs to be a D/C current there in place is a wheatstone bridge or a half wave rectifier. now why the light show? light bulds do not know the difference from A/C to D/C .power is power to it. replace alternator.

I would check the ignition switch, they are know for separating and causing issue's like this one, Ford recalled many of them, but the Explorer was not on the list, though it uses the same switch as the recalled cars..

Its sure sounds like the alternator to me. If you have a battery charger charge the batteryup for an hour or so start the van and if you have a volt meeter put it on th e battery and see what it reads should be around 13.6 volts make sure everything is off at this time heater radio ect if that reads around 13. volts now turn on the light s radio heater and 4 way flashers and see if the voltage starts to drop if it drops below 13. volts the alternator is bad also if the battery is over 4 years old replace it.If all elese fails take it to a well know repair shop